Abstract
In the last chapter we saw how Gleason’s theorem provided us with out first connection between physical observables and Hermitian operators. Beginning with a Hilbert space H and its projection logic, we defined an observable as a logic-valued function on the real Borel sets. Then through expected values every observable was shown to be associated with a member of M *σ (H), and then every member of M *σ (H) was associated with a Hermitian operator on H by Gleason’s theorem and the spectral theorem.
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© 1989 Springer-Verlag New York Inc.
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Cohen, D.W. (1989). Spectrality. In: An Introduction to Hilbert Space and Quantum Logic. Problem Books in Mathematics. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-8841-8_7
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DOI: https://doi.org/10.1007/978-1-4613-8841-8_7
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4613-8843-2
Online ISBN: 978-1-4613-8841-8
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